<h2> 这里是国际化示例{{ 'test.title' | translate}} <small translate="BUTTON_LANG_ZH">{{ 'test.subtitle' | translate}}</small></h2>
<div ng-controller="i18ndemoController">
  <button ng-click="changeLanguage('cn')" translate="BUTTON_LANG_ZH"></button>
  <button ng-click="changeLanguage('en')" translate="BUTTON_LANG_EN"></button>
</div>